发明名称 |
Cigarette and cigarette filter element therefor |
摘要 |
A cigarette comprises a blend of tobacco materials and a filter element provided from a non-woven thermoplastic material. The non-woven material comprises polyester or polypropylene fibers. The non-woven material is in intimate contact with an acidic material (e.g., phosphoric acid) or a basic material (e.g., sodium hydroxide).
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申请公布号 |
US5246017(A) |
申请公布日期 |
1993.09.21 |
申请号 |
US19920894733 |
申请日期 |
1992.06.05 |
申请人 |
R. J. REYNOLDS TOBACCO COMPANY |
发明人 |
SAINTSING, BARRY L.;PERFETTI, THOMAS A.;REDDING, JERRY W. |
分类号 |
A24D3/08;A24D3/14;A24D3/16 |
主分类号 |
A24D3/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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